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Service bulletin 2400322

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10229539
Published by NHTSA2023-01-09
Manufacturer's number2400322
Manufacturer's date2022-08-04
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

Poor A/C Performance This bulletin involves testing the A/C system and possibly replacing the A/C systemO-Rings. The customer may describe the following: Poor A/C performance (A/C does not cool down properly).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
ALFA ROMEO STELVIO2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20255332025-10-07. Visual System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
24006232023-10-02. Service bulletin. A/C Diagnostic LOP Change
91001602023-08-21. Service bulletin. Power wndow switch passenger
91001422023-05-30. Service bulletin. Mirror
91001052023-01-17. Service bulletin. Seal, Sunroof
24003222022-10-31. Service bulletin. Poor A/C Performance This bulletin involves testing the A/C system and possibly replacing the A/C systemO-Rings. The customer may describe the following: Poor A/C performance (A/C does not cool down properly).
S22240000082022-09-26. Service bulletin. Customer Indicates AC Blows Warm Air
836742022-09-26. Service bulletin. CONTROL - HVAC CONTROL
08-111-222022-06-27. Service bulletin. Flash: Heating Ventilation and Air Conditioning (HVAC) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following:Heated rear seats and heated steering wheel do not activate upon remote start at temperatures below 5° C (41° F).